Base | Representation |
---|---|
bin | 1001010010101000000101… |
… | …00010011110111010110001 |
3 | 2200100012111121010202220111 |
4 | 10221110002202132322301 |
5 | 10134221100204133131 |
6 | 111241544205541321 |
7 | 4206051142515160 |
oct | 451240242367261 |
9 | 80305447122814 |
10 | 20431202021041 |
11 | 656790799a689 |
12 | 235b854274841 |
13 | b52867038506 |
14 | 508c383633d7 |
15 | 2566e0b92ab1 |
hex | 12950289eeb1 |
20431202021041 has 8 divisors (see below), whose sum is σ = 23350048876800. Its totient is φ = 17512381092768.
The previous prime is 20431202021039. The next prime is 20431202021057. The reversal of 20431202021041 is 14012020213402.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20431202021041 - 21 = 20431202021039 is a prime.
It is a super-4 number, since 4×204312020210414 (a number of 54 digits) contains 4444 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20431202021081) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4762876 + ... + 7971661.
It is an arithmetic number, because the mean of its divisors is an integer number (2918756109600).
Almost surely, 220431202021041 is an apocalyptic number.
It is an amenable number.
20431202021041 is a deficient number, since it is larger than the sum of its proper divisors (2918846855759).
20431202021041 is a wasteful number, since it uses less digits than its factorization.
20431202021041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12963743.
The product of its (nonzero) digits is 768, while the sum is 22.
Adding to 20431202021041 its reverse (14012020213402), we get a palindrome (34443222234443).
The spelling of 20431202021041 in words is "twenty trillion, four hundred thirty-one billion, two hundred two million, twenty-one thousand, forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •